Move RenderSVGContainer to layout/svg/LayoutSVGContainer.

LayoutTests/svg/filters/feImage-subregions-expected.txt

Index: LayoutTests/svg/filters/feImage-subregions-expected.txt
diff --git a/LayoutTests/svg/filters/feImage-subregions-expected.txt b/LayoutTests/svg/filters/feImage-subregions-expected.txt
index fc9a12f2657436dced415061e7e591c7169f2162..bac827738dd3c4de9aec7ec009e2e8ab5c808b5f 100644
--- a/LayoutTests/svg/filters/feImage-subregions-expected.txt
+++ b/LayoutTests/svg/filters/feImage-subregions-expected.txt
@@ -12,16 +12,16 @@ layer at (0,0) size 800x600
         [feImage image-size="100x100"]
       LayoutSVGResourceFilter {filter} [id="filter4"] [filterUnits=objectBoundingBox] [primitiveUnits=userSpaceOnUse]
         [feImage image-size="100x100"]
-    RenderSVGContainer {g} at (10,0) size 480x480 [transform={m=((1.00,0.00)(0.00,1.00)) t=(50.00,10.00)}]
+    LayoutSVGContainer {g} at (10,0) size 480x480 [transform={m=((1.00,0.00)(0.00,1.00)) t=(50.00,10.00)}]
       RenderSVGRect {rect} at (10,0) size 480x230 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=400.00] [height=200.00]
         [filter="filter1"] LayoutSVGResourceFilter {filter} at (-40,-20) size 480x240
-      RenderSVGContainer {g} at (10,240) size 480x240 [transform={m=((1.00,0.00)(0.00,1.00)) t=(0.00,250.00)}]
+      LayoutSVGContainer {g} at (10,240) size 480x240 [transform={m=((1.00,0.00)(0.00,1.00)) t=(0.00,250.00)}]
         RenderSVGRect {rect} at (10,240) size 480x240 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=400.00] [height=200.00]
           [filter="filter2"] LayoutSVGResourceFilter {filter} at (-40,-20) size 480x240
-    RenderSVGContainer {g} at (110,0) size 480x480 [transform={m=((1.00,0.00)(0.00,1.00)) t=(150.00,10.00)}]
+    LayoutSVGContainer {g} at (110,0) size 480x480 [transform={m=((1.00,0.00)(0.00,1.00)) t=(150.00,10.00)}]
       RenderSVGRect {rect} at (110,0) size 480x230 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=400.00] [height=200.00]
         [filter="filter3"] LayoutSVGResourceFilter {filter} at (-40,-20) size 480x240
-      RenderSVGContainer {g} at (110,240) size 480x240 [transform={m=((1.00,0.00)(0.00,1.00)) t=(0.00,250.00)}]
+      LayoutSVGContainer {g} at (110,240) size 480x240 [transform={m=((1.00,0.00)(0.00,1.00)) t=(0.00,250.00)}]
         RenderSVGRect {rect} at (110,240) size 480x240 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=400.00] [height=200.00]
           [filter="filter4"] LayoutSVGResourceFilter {filter} at (-40,-20) size 480x240
     RenderSVGRect {rect} at (49,9) size 102x102 [stroke={[type=SOLID] [color=#FF0000]}] [x=50.00] [y=10.00] [width=100.00] [height=100.00]